Linked structure for foldable table

ABSTRACT

A linked structure for foldable table comprises a main frame, legs, props, connecting plate  1  and connecting plate  2.  The main frame includes a plate body which connects multiple table plates with flexible wire on each side of the plate body. Each concave body and supporting leg is set under each end of the plate body. A connecting unit with a receiving concave is set in the concave body. The legs are set in the receiving concave of the connecting unit. Connecting plate  1  is set on the props on the connecting unit. Connecting plate  2  which set on the legs connects with connecting plate  1.  The table plates are connected on each side of the plate body on main frame with flexible wire. When folding the present invention, the legs, props, connecting plate  1  and  2  are folded under the plate body through rotating the connecting unit.

BACKGROUND OF THE INVENTION

1. Field of the invention

This invention is related with a linked structure for foldable tablewhich can be folded easily and fast in folding position through foldingthe legs, props, connecting plate 1 and connecting plate 2.

2. Description of the related art

As we know that there are many foldable tables on the market, and theways of folding are also different. However, most of the foldable tableshave the shortcomings with too many comprised members or too complicatedfolding steps which make it uneasily and slowly handling the wholestructure.

SUMMARY

Referring to FIGS. 1 through 7, the linked structure for foldable tablecomprises a main frame, legs, props, connecting plate 1 and connectingplate 2. The main frame includes a plate body which connects multipletable plates with flexible wire on each side of the plate body. Eachconcave body and supporting leg is set under each end of the plate body.A connecting unit with a receiving concave is set in the concave body.The legs are set in the receiving concave of the connecting unit.Connecting plate 1 is set on the props which set on the connecting unit.Connecting plate 2 which set on the legs connects with connecting plate1. The table plates are connected on each side of the plate body of mainframe with flexible wire. When folding the present invention, the legs,props, connecting plates 1 and 2 are folded under the plate body throughrotating the connecting unit. Therefore, the whole structure can befolded fast under the plate body of the main frame.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic drawing illustrating the unfolded example ofmultiple table plates of the present invention.

FIG. 2 is a schematic drawing illustrating the folded example ofmultiple table plates of the present invention.

FIG. 3 is a perspective view illustrating the present invention.

FIG. 4 is a schematic drawing illustrating the folded table of thepresent invention.

FIG. 5 is another schematic drawing illustrating the folded table of thepresent invention.

FIG. 6 is a schematic drawing illustrating the unfolded example of dropleafs of the present invention.

FIG. 7 is a schematic drawing illustrating the folded example of dropleafs of the present invention.

FIG. 8 is a schematic drawing illustrating the unfolded example of twoboards of the present invention.

FIG. 9 is a schematic drawing illustrating the folded example of twoboards of the present invention.

FIG. 10 is a perspective view illustrating the example of two boards ofthe present invention.

FIG. 11 is a schematic drawing illustrating the folded example of twoboards of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Referring to FIGS. 1 and 8, there are the examples of the presentinvention related with a linked structure for foldable table, which bothcomprise a main frame (10), legs (20), props (30), connecting plate 1(40) and connecting plate 2 (50).

Referring to FIGS. 1 through 7, they are examples of the presentinvention, wherein the main frame (10) includes a long-shaped plate body(11) which connects table plates (60) with flexible wire on each side ofthe plate body (11). Each concave body (12) and supporting leg (14) isset under each end of the plate body (11). As shown in FIGS. 1, 2, 6 and7, the drop leaf (60) can be multi-plate type or entire-plate type, yetthe whole appearance is still a rectangular solid with long sides andwide brims. On each side under the drop leaf (60) there are tenon holes(61) set equidistantly. As shown in FIGS. 1 and 6, the tenon holes (61)which under the drop leaf (60) are marked for being understood easily, aconnecting unit locking hole (121) is set on each bottom end of theconcave body (12), and a connecting unit (13) is set inside the hollowspace of the concave body (12). Inside the connecting unit (13) there isa receiving concave (131), and a concave body locking hole (132) whichset on each narrow side end of the connecting unit (13) can be lockedwith the connecting unit locking hole (121) of the concave body (12)correspondingly, and the connecting unit (13) can be rotated through theconnecting unit locking hole (121) as a fulcrum. Leg fitting holes (133)are set on the bottom end and prop fitting holes (134) are set on topend on the wide side of the connecting unit (13). The supporting leg(14) can be two-stage folded, which connects with connecting plate 2(50). When the present invention is in unfolded position, the supportingleg (14) can support and make the whole structure stable.

Referring to FIG. 3, the leg (20) is set in the receiving concave (131)of the connecting unit (13), and a connecting unit fitting hole (21) ontop end of the leg (20) can be locked with the leg fitting hole (133) onthe connecting unit (13) correspondingly and rotate the leg (20) withthe leg fitting hole (133) as a fulcrum. A connecting plate fitting hole(22) is set on the leg (20).

Referring to FIG. 3, the prop (30) is set on the connecting unit (13),and the length of the prop (30) is the same as the wide brim of the dropleaf (60). The front end of the prop (30) extends downwards to make itin L-shape. A connecting unit fitting hole (31) set on the extendingpart of the prop (30) can be locked with the prop fitting hole (134) onthe connecting unit (13) correspondingly. The prop (30) can be rotatedthrough the prop fitting hole (134) as a fulcrum. A connecting plate 1fitting hole (32) is set on the prop (30), and many tenons (33) are seton the prop (30) equidistantly to make them locked with the tenon holes(61) on the drop leaf (60) correspondingly. Therefore, the drop leafs(60) can be set on the prop (30) stably through the tenons (33) and thetenon holes (61) locking each other.

Referring to FIG. 3, a blocker (41) is set on one edge of the connectingplate 1 (40) which set on the prop (30). The connecting plate 2 fittinghole (43) and the prop fitting hole (42) which can be correspondinglylocked with the connecting plate 1 fitting hole (32) are set on theconnecting plate 1 (40), therefore, it makes the connecting plate 1 (40)rotate through the connecting plate 1 fitting hole (32) as a fulcrum.

Referring to FIG. 3, the connecting plate 2 (50) is set on the leg (20)and is connected with the connecting plate 1 (40). A locking hole (53)is set on one end of the connecting plate 2 (50) and can be connectedwith another connecting plate 2 (50). A connecting plate 1 fitting hole(51) is set on another end of the connecting plate 2 (50) and can belocked correspondingly with the connecting plate 2 fitting hole (43).The connecting plate 2 (50) can be rotated through the connecting plate2 fitting hole (43) as a fulcrum, but the range of its rotating islimited by the blocker (41) on the connecting plate 1 (40). A legfitting hole (52) set on the connecting plate 2 (50) can be lockedcorrespondingly with the connecting plate fitting hole (22) on the leg(20) and the connecting plate 2 (50) can be rotated through theconnecting plate fitting hole (22) as a fulcrum. As shown in FIG. 1, thesupporting leg (14) which set under the plate body (11) is connectedwith the connecting plate 2 (50) at leg fitting hole (52).

As shown in FIGS. 4 and 5, when the whole structure is in foldingposition, loose the drop leaf (60) from the prop (30) first. Pile thedrop leaves (60) on the plate body (11) of the main frame (10) one byone in forward and then in reverse if the drop leaf (60) is multi-platetype (as shown in FIG. 2). If it is entire-plate type, as shown in FIG.7, move the drop leaf (60) downwards, and rotate the prop (30) downwardsto move the connecting plate 1 (40) close to the prop (30). Meanwhile,the connecting plate 2 (50) is driven by the connecting plate 1 (40) tomove inwards, and the move of the connecting plate 2 (50) would narrowthe open angle of the leg (20). When the prop (30) rotates downwards andis perpendicular with the plate body (11), the prop (30), the connectingplate 1 (40) and the leg would be parallel to each other. Rotate theconnecting unit (13) inwards to move the prop (30), the connecting plate1 (40), the connecting plate 2 (50), and the leg (20) close to thebottom of the plate body (11), and the supporting leg (14) is driven bythe connecting plate 2 (50) being folded and then close to the bottom ofthe plate body (11). Therefore, the whole folding structure iscompleted.

Referring to FIGS. 4 and 5, when the whole structure is in unfoldingposition, rotate the connecting unit (13) downwards to open thesupporting leg (14), and then rotate the prop (30) upwards to move theconnecting plate 1 (40) downwards. Meanwhile, the connecting plate 2(50) is driven by the connecting plate 1 (40) to move outwards, and themove of the connecting plate 2 (50) would expanse the open angle of theleg (20). The unfolding structure is completed when the prop (30)rotates upwards and is perpendicular with the plate body (11), theconnecting plate 2 (50) leaning to the blocker (41) on the connectingplate 1 (40) is parallel to the connecting plate 1 (40), and then setthe drop leaf (60) on the prop (30).

Another example of the present invention is shown in FIGS. 8 through 11,wherein the main frame (10) comprises a long-shaped plate body (11) anda board (62) which is connected on each side of the plate body (11) withflexible wire, and the whole appearance of the board (62) is still arectangular solid with long sides and wide brims. A concave body (12) isset on each side at the bottom of the plate body (11). Theentire-plate-type board (62) is locked on the prop (30). A connectingunit locking hole (121) is set on the bottom of the concave body (12),and a connecting unit (13) is set inside the hollow space of the concavebody (12). Inside the connecting unit (13) there is a receiving concave(131), and a concave body locking hole (132) which set on each narrowside end of the connecting unit (13) can be locked with the connectingunit locking hole (121) of the concave body (12) correspondingly. Theconnecting unit (13) cannot be rotated. A leg fitting hole (133) and aprop fitting hole are set on the front side of the connecting unit (13).

Referring to FIG. 10, the leg (20) is set in the receiving concave (131)of the connecting unit (13), and a connecting unit fitting hole (21) ontop end of the leg (20) can be locked with the leg fitting hole (133) onthe connecting unit (13) correspondingly and rotate the leg (20) throughthe leg fitting hole (133) as a fulcrum. A connecting plate fitting hole(22) is set on the leg (20).

Referring to FIG. 10, the prop (30) is set on the connecting unit (13),and the length of the prop (30) is the same as the wide brim of theboard (62). The front end of the prop (30) extends downwards to make itin L-shape. A connecting unit fitting hole (31) set on the extendingpart of the prop (30) can be locked with the prop fitting hole (134) onthe connecting unit (13) correspondingly. The prop (30) can be rotatedthrough the prop fitting hole (134) as a fulcrum. A connecting plate 1fitting hole (32) is set on the prop (30). Referring to FIG. 10, ablocker (41) is set on one edge of the connecting plate 1 (40) which seton the prop (30). The connecting plate 2 fitting hole (43) and the propfitting hole (42) which can be correspondingly locked with theconnecting plate 1 fitting hole (32) are set on the connecting plate 1(40), therefore, it makes the connecting plate 1 (40) rotate through theconnecting plate 1 fitting hole (32) as a fulcrum.

Referring to FIG. 10, the connecting plate 2 (50) is set on the leg (20)and is connected with the connecting plate 1 (40). A locking hole (53)is set on one end of the connecting plate 2 (50) and can be connectedwith another connecting plate 2 (50). A connecting plate 2 fitting hole(51) is set on another end of the connecting plate 2 (50) and can belocked correspondingly with the connecting plate 2 fitting hole (43).The connecting plate 2 (50) can be rotated through the connecting plate2 fitting hole (43) as a fulcrum, but the range of its rotating islimited by the blocker (41) on the connecting plate 1 (40). A legfitting hole (52) set on the connecting plate 2 (50) can be lockedcorrespondingly with the connecting plate fitting hole (22) on the leg(20) and the connecting plate 2 (50) can rotate through the connectingplate fitting hole (22) as a fulcrum.

Referring to FIG. 11, when the whole structure is in folding position,rotate the prop (30) downwards to move the connecting plate 1 (40) closeto the prop (30). Meanwhile, the connecting plate 2 (50) is driven bythe connecting plate 1 (40) to move inwards, and the move of theconnecting plate 2 (50) would narrow the open angle of the leg (20).When the prop (30) rotates downwards and is perpendicular with the platebody (11), the prop (30), the connecting plate 1 (40) and the leg wouldbe parallel to each other. Therefore, the whole folding structure iscompleted.

Referring to FIG. 11, when the whole structure is in unfolding position,rotate the prop (30) upwards to move the connecting plate 1 (40)downwards. Meanwhile, the connecting plate 2 (50) is driven by theconnecting plate 1 (40) to move outwards, and the move of the connectingplate 2 (50) would expanse the open angle of the leg (20). The unfoldingstructure is completed when the prop (30) rotates upwards and isperpendicular with the plate body (11), the connecting plate 2 (50)leaning to the blocker (41) on the connecting plate 1 (40) is parallelto the connecting plate 1 (40), and then set the board (62) on the prop(30).

1. A linked structure for foldable table comprising a main frame, legs,props, connecting plate 1 and connecting plate 2, wherein: said mainframe includes a plate body which connects drop leaf with flexible wireon each side of a long-shaped plate body, wherein the whole appearanceof said drop leaf is a rectangular solid with long sides and wide brims,a concave body and a supporting leg are set under each end of said platebody, many tenon holes are set under each end of said drop leafequidistantly, a connecting unit locking hole is set on each bottom endof said concave body, a connecting unit is set inside the hollow spaceof said concave body, a receiving concave is inside said connectingunit, leg fitting holes and prop fitting holes are set on wide side ofsaid connecting unit, said two-stage-folded supporting leg connects withsaid connecting plate 2; said leg is set in said receiving concave, aconnecting unit fitting hole and a connecting plate fitting hole are seton said leg; said prop is set on said connecting unit, and the length ofsaid prop is the same as the wide brim of said drop leaf, the front endof said prop extends downwards making it in L-shape, said connectingunit fitting hole set on the extending part of said prop, saidconnecting plate 1 fitting hole is set on said prop, and many tenons areset on said prop equidistantly, a blocker is set on one edge of saidconnecting plate 1 which set on said prop, said connecting plate 2fitting hole is set on said connecting plate 1, said connecting plate 2is set on said leg and is connected with said connecting plate 1, alocking hole is set on one end of said connecting plate 2, saidconnecting plate 1 fitting hole is set on another end of said connectingplate 2, a leg fitting hole is set on said connecting plate.
 2. A linkedstructure for foldable table as recited in claim 1, wherein said dropleaf can be multi-plate type or entire-plate type.
 3. A linked structurefor foldable table as recited in claim 1, wherein said concave bodylocking hole which set on said connecting unit can be locked with saidconnecting unit locking hole of said concave body correspondingly andsaid connecting unit can be rotated through said connecting unit lockinghole as a fulcrum.
 4. A linked structure for foldable table as recitedin claim 1, wherein said connecting unit fitting hole on top end of saidleg can be locked with said leg fitting hole on said connecting unitcorrespondingly and said leg can be rotated through said leg fittinghole as a fulcrum.
 5. A linked structure for foldable table as recitedin claim 1, wherein said connecting unit fitting hole on said prop canbe locked with said prop fitting hole on said connecting unitcorrespondingly and said prop can be rotated through said prop fittinghole as a fulcrum.
 6. A linked structure for foldable table as recitedin claim 1, wherein tenons set on said prop can be locked with saidtenon holes on said drop leaf correspondingly to make said drop leafsset on said prop.
 7. A linked structure for foldable table as recited inclaim 1, wherein said prop fitting hole can be correspondingly lockedwith said connecting plate 1 fitting hole set on said connecting plate 1and said connecting plate 1 can be rotated through said connecting plate1 fitting hole as a fulcrum.
 8. A linked structure for foldable table asrecited in claim 1, wherein said connecting plate 1 fitting hole can belocked correspondingly with said connecting plate 2 fitting hole andsaid connecting plate 2 can be rotated through said connecting plate 2fitting hole as a fulcrum; the range of its rotating is limited by saidblocker on said connecting plate
 1. 9. A linked structure for foldabletable as recited in claim 1, wherein said leg fitting hole on saidconnecting plate 2 can be locked correspondingly with said connectingplate fitting hole on said leg, and said connecting plate 2 can berotated through said connecting plate fitting hole as a fulcrum; saidsupporting leg is connected with said connecting plate 2 at said legfitting hole.
 10. A linked structure for foldable table comprising amain frame, legs, props, connecting plate 1 and connecting plate 2,wherein: a main frame includes a plate body which connects a board withflexible wire on each side of a long-shaped plate body, wherein thewhole appearance of said board is a rectangular solid with long sidesand wide brims, a concave body and a supporting leg are set under eachend of said plate body, said board is entire-typed and is locked on saidprop, a connecting unit locking hole is set on each bottom end of saidconcave body, a connecting unit is set inside the hollow space of saidconcave body, a receiving concave is inside said connecting unit, aconcave body locking hole which set on each narrow side end of saidconnecting unit can be locked with said connecting unit locking hole ofsaid concave body correspondingly, said connecting unit cannot berotated, a leg fitting hole and a prop fitting hole are set on the frontside of said connecting unit; said leg is set in said receiving concave,a connecting unit fitting hole and a connecting plate fitting hole areset on said leg; said prop is set on said connecting unit, and thelength of said prop is the same as the wide brim of said board, thefront end of said prop extends downwards making it in L-shape, saidconnecting unit fitting hole set on the extending part of said prop,said connecting plate 1 fitting hole is set on said prop, a blocker isset on one edge of said connecting plate 1 which set on said prop, saidconnecting plate 2 fitting hole is set on said connecting plate 1, saidconnecting plate 2 is set on said leg and is connected with saidconnecting plate 1, a locking hole is set on one end of said connectingplate 2, said connecting plate 1 fitting hole is set on another end ofsaid connecting plate 2, a leg fitting hole is set on said connectingplate.
 11. A linked structure for foldable table as recited in claim 10,wherein said concave body locking hole on each narrow side end of saidconnecting unit can be locked with said connecting unit locking hole ofsaid concave body correspondingly.
 12. A linked structure for foldabletable as recited in claim 10, wherein said connecting unit fitting holeon said leg can be locked with said leg fitting hole on said connectingunit correspondingly and said leg can be rotated through said legfitting hole as a fulcrum.
 13. A linked structure for foldable table asrecited in claim 10, wherein said connecting unit fitting hole set onsaid prop can be locked with said prop fitting hole on said connectingunit correspondingly, and said prop can be rotated through said propfitting hole as a fulcrum.
 14. A linked structure for foldable table asrecited in claim 10, wherein said prop fitting hole on said connectingplate 1 can be correspondingly locked with said connecting plate 1fitting hole on said prop, and said connecting plate 1 can be rotatedthrough said connecting plate 1 fitting hole as a fulcrum.
 15. A linkedstructure for foldable table as recited in claim 10, wherein saidconnecting plate 2 fitting hole on said connecting plate 2 can be lockedcorrespondingly with said connecting plate 2 fitting hole, and saidconnecting plate 2 can be rotated through said connecting plate 2fitting hole as a fulcrum; the range of its rotating is limited by saidblocker on said connecting plate
 1. 16. A linked structure for foldabletable as recited in claim 10, wherein said leg fitting hole on saidconnecting plate 2 can be locked correspondingly with said connectingplate fitting hole on said leg, and said connecting plate 2 can berotated through said connecting plate fitting hole as a fulcrum.